How many chill hours does 84064 get?

84064 averages 1056 chill hours per winter, ranging from 600 to 1540 across the last 10 years.

What hardiness zone is 84064?

84064 is in USDA hardiness zone 4a.

Location almanac

The short answer

84064 averages 1,056 chill hours per winter (600–1,540 across 10 years) in USDA zone 4a.

84064 climate
Average chill hours	1,056 (600–1,540 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 13 – June 15
First fall frost	typically September 20 – October 23

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 84064’s chill hours and zone:

Chill and zone requirements are comfortably met in 84064.

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How many chill hours does 84064 get?: 84064 averages 1056 chill hours per winter, ranging from 600 to 1540 across the last 10 years.
What hardiness zone is 84064?: 84064 is in USDA hardiness zone 4a.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026